36561011144 has 32 divisors (see below), whose sum is σ = 78612448320. Its totient is φ = 15615519936.

The previous prime is 36561011143. The next prime is 36561011159. The reversal of 36561011144 is 44111016563.

It is a self number, because there is not a number n which added to its sum of digits gives 36561011144.

It is not an unprimeable number, because it can be changed into a prime (36561011141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097714 + ... + 1130529.

It is an arithmetic number, because the mean of its divisors is an integer number (2456639010).

Almost surely, 2^36561011144 is an apocalyptic number.

It is an amenable number.

36561011144 is an abundant number, since it is smaller than the sum of its proper divisors (42051437176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36561011144 is a wasteful number, since it uses less digits than its factorization.

36561011144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228549 (or 2228545 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 36561011144 in words is "thirty-six billion, five hundred sixty-one million, eleven thousand, one hundred forty-four".